Require boolean in for, if

lambdas.kl

@@ -5,16 +5,16 @@ pointer_type :: *S64
 if_stmt :: (cond: S64): type
   CONSTANT :: 10
   thing := 10
-  if i := thing + cond, cond + CONSTANT
+  if i := thing + cond, cond > CONSTANT
     return i + CONSTANT
-  else if cond - CONSTANT
+  else if cond < CONSTANT
     return i - CONSTANT
   else
     return CONSTANT
 
 
 for_stmt :: ()
-  for i := 0, i + 10, i+=1
+  for i := 0, i < 10, i+=1
     pass
 
 add_10 :: (size: S64): S64